?url_ver=Z39.88-2004&rft_id=10.3923%2Fajaps.2011.431.438&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Majid%2C+M.A.A.&rft.aulast=Majid&rft.aufirst=M.A.A.&rft.issue=4&rft.volume=4&rft.issn=19963343&rft.atitle=Multi-state+system+availability+model+of+electricity+generation+for+a+cogeneration+district+cooling+plant&rft.pages=431-438&rft.title=Asian+Journal+of+Applied+Sciences&rft.date=2011&rft.genre=article